This textbook covers the full scope of modern electroanalytical techniques and devices. The main emphasis is on electroanalysis rather than physical electrochemistry, as the objective is to provide a sound understanding of the fundamentals of electrode reactions and of the principles of electrochemical methods, as well as demonstrating the potential for solving real-life analytical problems. The fourth edition has been extensively revised and updated and will reflect the dramatic growth and new directions and tools of electroanalytical chemistry over the past 15 years and covers new topics and the latest developments and trends in electroanalytical chemistry. Coverage of the literature has been updated by over 50%. The fundamental aspects of different electrochemical processes and techniques has also been expanded throughout the text. Additional worked-out examples and variety of quantitative questions and exercise problems are added at the end of each chapter to provide students with the necessary problem-solving experience and examples of current research.